Kate's dad is getting old. She will go back home to see him _____it is convenient.
| A．because | B．whenever | C．although | D．unless |
—Where’s Jill?
—She ________ in the office. I saw her there just now.
| A．may be | B．must be |
| C．can be | D．should be |
There used to be a boarding school there, _______?
| A．don’t there | B．didn’t there |
| C．isn’t there | D．doesn’t there |
Would you please help me _____ the picture on the wall?
| A．put up | B．put on |
| C．put into | D．put off |
Not only I but also Tom and Jack _____ interested in English because it _____ useful.
| A．is, is | B．is, are |
| C．are, is | D．are, are |
The room _____ I live _____ is very large.
| A．which, / | B．that, / |
| C．which, in | D．where, in |